Data Sheet for Product

Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as
design improvements are introduced. APOGEE and Insight are registered trademarks of Siemens Building Technologies, Inc. Other product or
company names mentioned herein may be the trademarks of their respective owners. © 2009 Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc.
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Buffalo Grove, IL 60089-4513
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Document No. 149-420
Printed in the U.S.A.
Page 3 of 3
Ordering Information
Description Product Part Number
Room Temperature Sensor (RTS)
(includes battery and wireless back plate mounting kit)
550-660*
Room Temperature Sensor (RTS) with occupancy override, temperature setpoint
functionality (includes battery and wireless back plate mounting kit)
550-670*
TEC Transceiver (TTX)
(includes power and communication cables and mounting bracket)
550-205
TEC Transceiver (TTX)
(includes setpoint/override support and RJ11 to RJ11 communication cable)
550-208
Accessories Ordering Information
Description Product Part Number
Laptop Cable (RJ11-DB9) 540-143
Battery (10 Pack) 550-204
Occupancy Override Button, 25-pack (Beige) 544-480A
Occupancy Override Button, 25-pack (White) 544-480B
Setpoint Door, 25-pack (Beige) 544-481A
Setpoint Door, 25-pack (White) 544-481B
Blank Bezel, 25-pack (Beige) 544-482A
Blank Bezel, 25-pack (White) 544-482B
Blanking Override Button, 25-pack (Beige) 544-484A
Blanking Override Button, 25-pack (White) 544-484B
Passkey (for demo mode) 544-643A
Wireless Backplate Mounting Kit 544-781*
TTX Communication Cable (RJ11-RJ11) 550-200
TTX Fitting for Antennae Installation thru a Knockout - HEYCO Connector (5 Pack) 550-074
TTX Transformer 550-710
*Add letter suffix to indicate desired color: A = Desert Beige; B = White (for example, 550-660A for Desert Beige).